Quanta Test

Quanta
Q-1 3 is a?
(a) Smallest Natural Number (b) Smallest odd prime no.
(c) Smallest prime no. (d) None
Q-2 For prime no. how many factor must be there?
(a) 1 (b) 2 (c) 3 (d) 4
Q-3 Find the sum of prime no. between 10 to 20?
(a) 70 (b) 60 (c) 90 (d) 191
Q-4 1252-1002/25 =?
(a) 130 (b) 125 (c) 138 (d) None
Q-5 6x=36 Find x=?
(a) 6 (b) 7 (c) 8 (d) 9
Q-6 3154×125 =Y
What will be at unit place of y?
(a) 0 (b) 2 (c) 3 (d) 5
Q-7 LCM of 12¸24¸36 is?
(a) 36 (b) 24 (c) 12 (d) 48
Q-8 Find LCM of 3/5¸ 4/6¸7/8 ?
(a) 83 (b) 84 (c) 190 (d) 90
Q-9 15+x+10 =16+10+2+2¸ Find x?
(a) 6 (b) 5 (c) 8 (d) 9
Q-10 1003+ 1053/ (1002+1052-100×105)
(a) 205 (b) 210 (c) 213 (d) 218
Q-11 If x & y are divisibly by 3, than which of the following will
be true?
(a) X+Y will be divisible by3 (b) X-Y is divisible by 5
(c) A&B (d) None
Q-12 131/2 131/6=2?
(a) 134/5 (b) 132/3 (c) 13 (d) None
Q-13 1/3Ö3 also equal to?
(a) Ö3/9 (b) 53/6 (c) 53 (d) None
Q-14 If (151/5)5=?
(a) 16 (b) 3 (c) 15 (c) None
Q-15 Ö141 ×Ö141 = ?
(a) 141 (b) 1412 (c) 1141 (d) None
Q-16 If x/y =4/5 then what will be value of y/x?
(a) 5/4 (b) 5/6 (c) 5/8 (d) None
Q-17 From the following which is minimum?
(a) 1/8 (b) 1/9 (c) 1/10 (d) None
Q-18 If 34/8= 243, find n
(a) 30 (b) 40 (c) 80 (d) None
Q-19 [ 110.5×110.5×110.5] + (111×111×111)/ 110.5×110.5+ 111×
111+ 110.5×111
(a) 221.5 (b) 121.5 (c) 119.5 (d) None
Q-20 (315)0/315+33 +1/0
(a) ¥ (b) 1 (c) 3 (d) 5
Q-21 4+4/x, find it’s reciprocal
(a) x/4x+4 (b) 4x+4/x (c) 4x+4 (d) None
Q-22 If 10xyz=1000 find xyz
(a) 13 (b) 4 (c) 3 (d) 9
Q-23 If x + y =15
2x-y =6 find x
(a) 6 (b) 7 (c) 8 (d) 9
Q-24 If x=4/5
y=5/6, z = 6/7 find xyz
(a) 4/6 (b) 4/7 (c) 4/8 (d) 3/6
Q-25 log27×log73
(a) log3/log2 (b) log7/log3 (c) log3 (d) None

REASONS & ANSWERS:-

1 (b)
2 (b) 2
3 (b) 60
11,13,17,19 are prime no. between 10 to 20
Sum = 11+13+17+19=60
4 (b) 125
(125-100) (125+100) / 25
25 (125)/25
125
5 (a) 6
6 (a) 0
7 (a) 36
8 (b) 84
LCM of 3/5, 4/6, 2/8 =LCM of 3,4,7/ HCF of 5,6,8,
= 84/1
= 84
9 (b) 5
X+25=30
X=5
10 (a) 205
a3 +b3= (a + b) (a2+b2+ab)
11 (a) X+Y will be divisible by3
Let x=6, y=9
12 (b) 132/3
=131/2 +1/6
=13 3+ 1/6
=134/6
13 (a) Ö3/9
1/353
= 1/353 Ö3/3
=Ö3/ 3.3
=Ö3/9
14 (c) 15
=(151/5)5
= 151/5×5
= 15
15 (a) 141
16 5/4
17 1/8
=8 < 9 < 10
1/8 > 1/9 > 1/10
18 (b) 40
34/8=35
n/8 = 5, n = 40
19 (a) 221.5
a3+b3= (a2 + b2+ ab) (a + b)
20 (a) ¥
=1/ 315 + 9 + ¥
=1/324 + ¥
=¥
21 (a) x/4x + 4 its reciprocal is x/ 4x + 4
22 (c) 3
10xyz= 103 xyz=3
23 (b) 7
Add
=3x=21
= x=7
24 (b) 4/7
xyz=4/5 × 5/6 × 6/7
25 (a)
log 3/ log2
Log7/log2 × log3/log7
Log3/log2